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Page Title:
SERVICE BRAKE(S) ON ONE AXLE DO NOT APPLY OR APPLY SLOWLY. (Cont) |
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 TM 9-2330-385-14
NOTE
This test covers left rear brake chamber, but it
can be used to test operation of all trailer
brake chambers.
BRAKE CHAMBER TEST
(1) Cage brake chamber (Para 2-16).
(2) Remove two cotter pins, pins and
rod clevis from slack adjuster.
Discard cotter pins.
(3) Rotate slack adjuster away from
rod clevis.
(4) Uncage brake chamber (Para 2-16).
(5) Start engine (TM 9-2320-364-10).
(6) Push in trailer charge valve in
truck (Para 2-22).
(7) While assistant fully applies brake
pedal, observe operation of brake
chamber rod.
(a) If rod does not move smoothly
into brake chamber, perform
Steps (8) and (9) below and
replace brake chamber
(b) If rod moves into brake chamber
smoothly, brake chamber is OK.
(8) Pull out trailer charge valve in truck.
(9) Turn OFF ENGINE switch.
(10) Cage brake chamber (Para 2-16).
(11) Rotate slack adjuster to clevis.
(12) Install rod clevis, two pins, and
cotter pins on slack adjuster.
(13) Uncage brake chamber.
VISUAL INSPECTION
(1) Inspect slack adjusters for damage.
(a) If slack adjuster is damaged,
replace slack adjuster (Para 4-36).
(b) If slack adjuster is not
damaged, slack adjuster is OK.
(2) Adjust brake(s) (Para 4-34).
4-283
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